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Mineral Hill - Twin Buttes Area | |||
LocationUnknown In 1880 Col. C. P. Sykes purchased the San Xavier mine and the San Xavier Mining and Smelting Company was organized. To treat the ores a small blast furnace was erected on the Santa Cruz river nine miles south of Tucson; this operation was not successful. Near the San Xavier mine were the Azurite properties, where a significant strike was made in November 1895. In 1898 a second hand smelter (water jacketed furnace of 30 ton daily capacity) was built by the Azarite Copper and Gold Co. at the Mineral Hill mines; it produced copper for about one year. During the latter part of 1911 the Twin Buttes Mining and Smelting Company organized the Pioneer Smelting Company which began construction of a 150 ton smelter at Camp Corwin (about 1½ miles west of Sahaurita) on the Twin Buttes Railroad that ran between Twin Buttes and Sahuarita. The smelter operated well but failed to make money. It operated from May 1912 until the following spring. In 1916 the Mineral Hill Consolidated Copper Company enlarged the old Azurite Copper and Gold Company smleter; it produced for three years and closed again.
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